/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package br.com.integrator.web;

import br.com.fatecpg.ads.poo.projeto.OracleConnector;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Ed_Carlos
 */
public class LoginServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        RequestDispatcher rd = null;
        HttpSession session = request.getSession(true);
        try {
            if (request.getParameter("loginUserName") != null) {
                String user = request.getParameter("loginUserName");
                String pass = request.getParameter("loginPassword");
                String SQL = "SELECT * FROM USERS WHERE USERNAME='" + user + "' AND PASSWORD='" + pass + "'";
                if (OracleConnector.getQuery(SQL).size() > 0) {
                    session.setAttribute("loginUserName", request.getParameter("loginUserName"));
                    response.sendRedirect(request.getContextPath());
                    rd = request.getRequestDispatcher("/index.jsp");
                    rd.forward(request, response);
                } else {
                }
            } else if (request.getParameter("logoff") != null) {
                session.removeAttribute("loginUserName");
                response.sendRedirect(request.getContextPath());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
